Skill

optimize-for-binding

Adjust a PDF's layout for binding — add a gutter (inner margin), mirror margins for duplex printing so the binding edge is consistent, and optionally shift content outward. Triggers on phrases like "prep for binding", "add gutter", "mirror margins for duplex", "binding-friendly layout".

npx claudepluginhub danielrosehill/claude-code-plugins --plugin digital-printing

Tool Access

This skill uses the workspace's default tool permissions.

Preview

Shift content to leave room for a binding gutter without cropping. Supports single-sided (uniform shift) or double-sided (mirror left/right shift) layout.

SKILL.md

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optimize-for-binding

Optimize PDF for Binding

Shift content to leave room for a binding gutter without cropping. Supports single-sided (uniform shift) or double-sided (mirror left/right shift) layout.

Inputs

Input PDF path (required).

Gutter (required) — extra inner margin in mm (typical: 10–15mm for spiral/comb, 15–20mm for perfect bound).

Duplex (optional, default true) — if true, mirror the shift: odd pages shift right, even pages shift left. If false, all pages shift right (single-sided).

Output path (optional) — defaults to <input>-bound.pdf.

Tooling

pdfjam (from texlive-extra-utils) handles gutter/binding offsets cleanly. Ghostscript can also do it via pdfwrite with a translation matrix, but pdfjam is more readable.

pdfjam recipe — duplex mirror

pdfjam --offset "10mm 0mm" --twoside --outfile output.pdf input.pdf

--twoside automatically mirrors odd/even page offsets. --offset "X Y" shifts content (positive X = right).

Single-sided uniform shift

pdfjam --offset "10mm 0mm" --outfile output.pdf input.pdf

Caveats

Shifting content can push the outer edge into the printer's unprintable margin. Always run verify-bleed-safe after this skill to confirm content still fits within the printable area.

For docs already laid out with a gutter (e.g. typeset books), don't double-up — ask the user first.

For perfect-bound thick books, gutter should increase with page count (creep allowance). Out of scope for v1; flag to user if doc is >100 pages.

Workflow

Confirm pdfjam is installed (command -v pdfjam); if not, sudo apt install texlive-extra-utils.

Run the offset.

Suggest running verify-bleed-safe next.

Output

Bound-ready PDF. Original preserved.

Optimize PDF for Binding

Shift content to leave room for a binding gutter without cropping. Supports single-sided (uniform shift) or double-sided (mirror left/right shift) layout.

Inputs

Input PDF path (required).
Gutter (required) — extra inner margin in mm (typical: 10–15mm for spiral/comb, 15–20mm for perfect bound).
Duplex (optional, default true) — if true, mirror the shift: odd pages shift right, even pages shift left. If false, all pages shift right (single-sided).
Output path (optional) — defaults to <input>-bound.pdf.

Tooling

pdfjam (from texlive-extra-utils) handles gutter/binding offsets cleanly. Ghostscript can also do it via pdfwrite with a translation matrix, but pdfjam is more readable.

pdfjam recipe — duplex mirror

pdfjam --offset "10mm 0mm" --twoside --outfile output.pdf input.pdf

--twoside automatically mirrors odd/even page offsets. --offset "X Y" shifts content (positive X = right).

Single-sided uniform shift

pdfjam --offset "10mm 0mm" --outfile output.pdf input.pdf

Caveats

Shifting content can push the outer edge into the printer's unprintable margin. Always run verify-bleed-safe after this skill to confirm content still fits within the printable area.
For docs already laid out with a gutter (e.g. typeset books), don't double-up — ask the user first.
For perfect-bound thick books, gutter should increase with page count (creep allowance). Out of scope for v1; flag to user if doc is >100 pages.

Workflow

Confirm pdfjam is installed (command -v pdfjam); if not, sudo apt install texlive-extra-utils.
Run the offset.
Suggest running verify-bleed-safe next.

Output

Bound-ready PDF. Original preserved.